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Davidson Plum Sauce

davidson plum sauce

It has been a great year this year for Davidson plums.  We planted dozens of them as part of our riparian rainforest regen project from 2000 to 2003.   I don’t know whether it is just because they have now hit their stride, or if the unusually wet spring has something to do with it, but this year they have been laden.

There’s quite a lot of edible plants native to my part of the world but not so many of them that are abundant and really delicious.  The range that I look at from my bedroom window goes all the way up to the Bunya Mountains in Queensland along ridgelines. It was likely a route that Bundjalung people took to travel to festivals and feasts, and Bunya pines (Araucaria bidwillii) grow well here, so it is a bit strange that they don’t seem to have been naturalised. We have feasting quantities planted but you couldn’t really call them a native bush food.

But macadamias (Macadamia tetraphylla) and Davidson plums ( Davidsonia jerseyana) are endemic to right here, real bush foods.  We have re-established populations now that should reproduce on their own (climate change allowing) and provide foraging for generations to come. That’s a nice feeling.

The plums are sour, so sour that your eyes cross, but they cook up into the most glorious fruity and aromatic and tart jams and sauce and syrup.  They contain really high levels of anthocyanins, phytonutrients that are really strong antioxidants, and lutein which is one of the compounds that gives kale it’s reputation.  They are also a good source of a good range of minerals – potassium,  zinc,  magnesium, calcium, and of  vitamin E and folate.  All of which is probably necessary to counterbalance the amount of sugar they need to become delicious.

We’ve picked buckets, and there is probably one more pick still to go, distributing the seeds back down into the rainforest gullies.  Enough jam – we’ve eaten way more than we should, I’ve given it away, had people over for pancakes and plum jam breakfasts, even sent some to my son in Vanuatu – which was ridiculous in postage costs but so nice to be able to do – and I still have a year’s supply on the shelf.

This batch went into sauce.  Enough sauce. It is very very good – sweet/salty/sour/spicy with strong and complex flavours, a little goes a long way and I have bottles of it.

Then a batch into syrup for cordial and marinades and granola and over ice-cream.  Enough syrup.  I made it not overly sweet, to my own taste, but perhaps I should have made it sweeter and I’d have a chance of getting through it with a batch of kids at the beach.

For the next batch, I’m considering trying to make salted plums, like umeboshi plums or saladitos.  Anyone tried anything like that with Davidson plums?

The Recipe: Davidson Plum Sauce

This recipe makes about 1.2 kg, or litres of sauce. You can easily halve it if that’s too much.

You need a big non-reactive pot (stainless steel or enamel or pyrex).

Put a saucer in the fridge or freezer.

You need 5 cups of plum pulp.  I find it easiest to remove the two seeds by just squishing the ripe plums and feeling for them. Then blend or process the plums, skin and all, to your desired consistency.  I like it best when it is a bit chunky, not too smooth.

Put the pulp in the pot with:

  • 2 ½ cups brown sugar
  • ½ cup vinegar
  • ½ cup water
  • 1 teaspoon garam masala
  • 3 cardamom pods
  • 3 star anise pods
  • 2 teaspoons salt
  • a thumb of ginger grated fine
  • 3 or 4 cloves of garlic crushed
  • chillies chopped fine to taste.  I only have green Bishops Crown chilies ready yet, so I used half a dozen of them.

Cook at a gentle boil for around half an hour stirring occasionally.  Put a ladle in the pot so that it sterilizes too.  Test it every so often by putting a spoonful out onto the cold saucer.  It is ready when it reaches a nice syrupy consistency, still pourable but not liquid.

While it is boiling sterilize some jars or sauce bottles.  Depending on how narrow the neck of your sauce bottles is, you may need to sterilize a jug too.  You can sterilize easily in a pressure cooker for 5 minutes, or by boiling for 15 minutes, or in a slow oven for 20 minutes (but boil the lids separately or the plastic lining melts).  You can also use a dishwasher or a microwave so they say but I don’t have either of them.  You want to put the hot sauce into hot jars so time it so both are ready at once.

Ladle the hot sauce into the hot jars and put the lids on straight away.

It will keep like that for a long time, the sugar and vinegar preserving it, and it will be much too acidic for any food poisoning bacteria.  If you want to make a whole year’s supply, or if you are worried, you can go the extra step of boiling or pressure cooking the sealed jars (boil for 20 minutes, pressure cook for 10 in a pot with a tea towel in the bottom to stop the jars rattling).

{ 4 comments… add one }
  • Katie January 4, 2016, 7:38 pm

    Hi Linda
    Have you made jam from Lilly pillies and if so can you use any type? I have a few covered in fruit but I have eaten or made it

  • Linda January 5, 2016, 12:14 pm

    Hi Katie, we have one in particular lilly pilly tree that has the best fruit. When the kids were little, they would go forage every afternoon after school, sit in the branches eating all they could reach. I think they are better eaten fresh, and some cultivars are better than others. They’re really high Vitamin C which doesn’t make it through jam making. And they have little seeds that you can leave in the jam, but to my taste they are better strained out, which is another step. The basic jam recipe works though – boil the fruit to soften, strain out the seeds if you want to, add an equal weight in sugar and softly boil for half an hour or so to set.

  • Dingo January 9, 2016, 5:48 pm

    Hi Linda, welcome back!
    You made a batch of syrup for marinades and cordial? Is that a similar process to your lime cordial, using pulp not juice of course, or more of a reduced jam type of process?
    And would you also use that to add water to, as a replacement for store bought sugary cordials?
    I’m going to try your sauce recipe with ‘side of the road’ dark plums (not sprayed), they’re so tart that I reckon it will be a hit.
    Best … Dingo

  • Linda January 10, 2016, 7:13 am

    Hi Dingo, the basic syrup recipe was, cook the plums whole for a little bit to soften and release juice, squash with a potato masher, strain off the juice, add sugar at 1 to 2 ratio (1 cup sugarvto 2 cups juice), cook 15 mins or so till it gets syruppy, bottle in sterilised bottles, keep in the fridge or water bath or pressure cook to keep on the shelf. Mixed plum and lime cordial in soda water is wonderful.

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